Note 3 - Property and Equipment (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Depreciation | $ 273 | $ 799 | $ 1,316 | $ 2,397 | $ 1,316 | $ 2,397 | $ 3,196 | $ 2,587 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|